1453445331366 has 128 divisors (see below), whose sum is σ = 3555923245056. Its totient is φ = 386591293440.

The previous prime is 1453445331353. The next prime is 1453445331379. The reversal of 1453445331366 is 6631335443541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1453445331353) and next prime (1453445331379).

It is a super-2 number, since 2×1453445331366² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64779286 + ... + 64801718.

It is an arithmetic number, because the mean of its divisors is an integer number (27780650352).

Almost surely, 2^{1453445331366} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453445331366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777961622528).

1453445331366 is an abundant number, since it is smaller than the sum of its proper divisors (2102477913690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453445331366 is a wasteful number, since it uses less digits than its factorization.

1453445331366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23446.

The product of its digits is 4665600, while the sum is 48.

The spelling of 1453445331366 in words is "one trillion, four hundred fifty-three billion, four hundred forty-five million, three hundred thirty-one thousand, three hundred sixty-six".